EZ80F91AZ050EG Zilog, EZ80F91AZ050EG Datasheet - Page 246
EZ80F91AZ050EG
Manufacturer Part Number
EZ80F91AZ050EG
Description
IC ACCLAIM MCU 256KB 144LQFP
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91AZ050EG
Core Processor
Z8
Core Size
8-Bit
Speed
50MHz
Connectivity
Ethernet, I²C, IrDA, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
144-LQFP
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 KB
Interface Type
I2C, IrDA, SPI, UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG
Minimum Operating Temperature
- 40 C
For Use With
269-4712 - KIT DEV ENCORE 32 SERIES269-4671 - BOARD ZDOTS SBC Z80ACCLAIM PLUS269-4561 - KIT DEV FOR EZ80F91 W/C-COMPILER269-4560 - KIT DEV FOR EZ80F91 W/C-COMPILER
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
269-3867
EZ80F91AZ050EG
EZ80F91AZ050EG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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PS019215-0910
ZDA
ZCL
Note:
ZDI Read Operations
ZDA
ZCL
ZDI Address
ZDI Address
lsb of
A0
7
ZDI Single-Byte Read
Single-byte Read operations are initiated in the same manner as single-byte Write opera-
tions, with the exception that the R/W bit of the ZDI register address is set to 1. Upon
receipt of a slave address with the R/W bit set to 1, the eZ80F91 device’s ZDI block loads
the selected data into the shifter at the beginning of the first cycle following the single-bit
data separator. The most significant bit (msb) is shifted out first.
timing for ZDI single-byte Read operations.
lsb of
In ZDI single-byte read operations, after each read operation, the Program Counter (PC)
address is incremented by two bytes. For example, if the current PC address is 0x00, then
A0
7
Write
8
Read
Byte Separator
8
Byte Separator
Single-Bit
Figure 55. ZDI Single-Byte Data Read Timing
Single-Bit
0/1
Figure 54. ZDI Block Data Write Timing
9
0/1
9
of DATA
of DATA
Byte 1
msb
D7
msb
D7
1
1
D6
D6
2
2
D5
3
D5
3
ZDI Data Byte
D4
ZDI Data Bytes
4
D1
7
of DATA
D3
Byte 1
5
D0
lsb
8
Byte Separator
Single-Bit
D2
6
0/1
9
D1
7
D7
Product Specification
Figure 55
1
of DATA
D0
lsb
8
of DATA
Zilog Debug Interface
Byte 2
START Signal
End of Data
msb
or New ZDI
D6
2
eZ80F91 MCU
1
displays the
9
1
9
237
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